Filament Spunbonded and Needlepunched Non Woven Geotextile

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Geotextile

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Filament Spunbonded and Needlepunched Non Woven Geotextile

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德盛合成材料

Filament geotextiles executive standards: GB/T 17639-1998

Product Information

Filament spunbonded and needle punchd nonwoven geotextiles are a new type of building materials. The raw materials are synthetic fibers of polyester, polypropylene, acrylic and polyamide polymers. Filament spun-bonded needle-punched geotextile has many functions, such as anti-seepage, anti-filtration, drainage, isolation, reinforcement, protection, sealing, etc. Compared with conventional stone masonry and concrete materials, it has the advantages of low investment, simple construction technology, short construction period, good anti-seepage effect, and high effective utilization coefficient of canal.

Product performance

Geotextiles have high strength and good permeability because they can maintain sufficient strength and elongation under dry and wet conditions. They are corrosion-resistant. They are durable in soil and water with different pH and alkalinity. They have good permeability because there are gaps between the flat wires.

Product Index

The filament geotextiles have good mechanical properties, as well as good elongation properties and high chemical stability such as bio-resistance, acid and alkali resistance and aging resistance. Polyester geotextiles have been widely used in infrastructure construction, and gradually applied to a wider range of fields.

Test index

Serial number	Projects	Specification index
		100	150	200	250	300	350	400	450	500	600	800
1	Mass deviation per unit area/%	-6	-6	-6	-5	-5	-5	-5	-5	-4	-4	-4
2	Thickness, mm>	0.8	1.2	1.6	1.9	2.2	2.5	2.8	3.1	3.4	4.2	5.5
3	Width deviation %	-0.5	-0.5	-0.5	-0.5	-0.5	-0.5	-0.5	-0.5	-0.5	-0.5	-0.5
4	Fracture strength KN/m	4.5	7.5	10.5	12.5	15	17.5	20.5	22.5	25	30	40
5	Elongation at break %	40-80	40-80	40-80	40-80	40-80	40-80	40-80	40-80	40-80	40-80	40-80
6	CBR top breaking power KN>	0.8	1.4	1.8	2.2	2.6	3.0	3.5	4.0	4.7	5.5	7.0
7	Equivalent bore diameter mm	0.07-0.2	0.07-0.2	0.07-0.2	0.07-0.2	0.07-0.2	0.07-0.2	0.07-0.2	0.07-0.2	0.07-0.2	0.07-0.2	0.07-0.2
8	Vertical permeability coefficient cm/s	（1.0~9.9）*（0.1~0.001）
9	Tear strength KN>	0.14	0.21	0.28	0.35	0.42	0.49	0.56	0.63	0.70	0.82	1.10

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Staple Fiber Needlepunched Nonwoven Geotextile/Short Fiber Non Woven Geotextile

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Staple Fiber Needlepunched Nonwoven Geotextile/Short Fiber Non Woven Geotextile

Woven Geotextile

Uniaxial Plastic Geogrid

Large private enterprises that produce and operate geotechnical materials

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